- Agricola
Indexes agriculture and allied disciplines, including food & nutrition, entomology, plant sciences, aquaculture, agricultural economics, earth and environmental sciences.
- Science.gov
Science.gov is a portal to authoritative selected science information provided by U.S. Government agencies, including research and development results. There is also an excellent link to programs for science education.
- TOXNET/TOXLINE
Indexes publications on the toxicological, pharmacological, biochemical and physiological effects of drugs and other chemicals--including journal articles, monographs, technical reports, theses, letters, and meeting abstracts, papers and reports.
- Digitalgov.gov
Digitalgove is the official U.S. gateway to federal and state government digital information. The Advanced search is recommended for more precise searching.
